[all-commits] [llvm/llvm-project] 04b1da: [lld-macho] Canonicalize LSDA pointers

[Jez Ng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 04b1dad7177be64fbe7a9e8f3477a4e2d8614da9
      https://github.com/llvm/llvm-project/commit/04b1dad7177be64fbe7a9e8f3477a4e2d8614da9
  Author: Jez Ng <jezng at fb.com>
  Date:   2022-12-05 (Mon, 05 Dec 2022)

  Changed paths:
    M lld/MachO/UnwindInfoSection.cpp
    A lld/test/MachO/icf-only-lsda-folded.s

  Log Message:
  -----------
  [lld-macho] Canonicalize LSDA pointers

This was causing an uncaught exception issue in one of our programs. The
issue was fairly subtle / rare as it required two identical LSDAs that were
referenced by a pair of non-identical compact unwind encodings.

Reviewed By: #lld-macho, smeenai

Differential Revision: https://reviews.llvm.org/D139269